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A221123 as a simple table

n a(n)
1 55
2 19005
3 6405243
4 2152770692
5 723234356389
6 242959402596630
7 81617731119238274
8 27417937131776836980
9 9210537138678339648264
10 3094105581109088805200095
11 1039406189945536764054814983

[55,19005,6405243,2152770692,723234356389,
 242959402596630,81617731119238274,
 27417937131776836980,9210537138678339648264,
 3094105581109088805200095,
 1039406189945536764054814983]

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Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)